Mary has a mass of 40 kg and sprints at 1 m/s how much kinetic energy does she have

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

What is the most common structure of volcanoes?

Abotanist working in the amazon rain forest discovers a new species of orchid. interestingly, males but not females of a certain wasp species keep visiting the flowers of these orchids. why?